小编Ahm*_*yaa的帖子

我有以下模型结构:a Banner embeds_many Slides和eachSlide embeds_many contents

class Banner
  include Mongoid::Document

  embeds_many :slides

  accepts_nested_attributes_for :slides, allow_destroy: true 
end

class Slide
  include Mongoid::Document

  embedded_in :banner
  embeds_many :contents

  accepts_nested_attributes_for :contents, allow_destroy: true 
end

class Content
  include Mongoid::Document

  embedded_in :slide

  field :value, type: String
end

我开始使用一张带有一些内容的幻灯片的横幅.现在我向服务器发送一个JSON请求,将新内容添加到现有幻灯片中,并创建包含其内容的新幻灯片; 就像是

'banner' => {
  '_id' => '123',
  'slides_attributes' => [
    {
      '_id' => '1',
      'contents_attributes' => [
        { '_id' => '1', 'value' => 'some persisted value' },
        { 'value' => 'new content here, there is no …

在亚马逊MWS API中,请求报告类型为"_GET_MERCHANT_LISTINGS_DATA_"时 返回的属性有什么区别:

• 产品编号
• 上市-ID
• asin1